package com.example.listview;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;

import java.util.ArrayList;
import java.util.List;

public class MainActivity extends AppCompatActivity{
    private List<Fruit> fruitList = new ArrayList<>();
    @Override
    protected  void onCreate(Bundle savedInstanceState){
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initFruits();//初始化text数据
        FruitAdapter adapter = new FruitAdapter(MainActivity.this,R.layout.fruit_item,fruitList);
        ListView listView = (ListView) findViewById(R.id.list_view);
        listView.setAdapter(adapter);
        listView.setOnItemClickListener(new AdapterView.OnItemClickListener(){
           @Override
            public void onItemClick(AdapterView<?>parent , View view ,int position ,long id){
               Fruit fruit = fruitList.get(position);
               Toast.makeText(MainActivity.this ,fruit.getName(),
                       Toast.LENGTH_SHORT).show();
           }
        });
    }
    private void initFruits (){
        for (int i=0 ;i<10 ;i++ ){
            Fruit apple = new Fruit("Apple",R.drawable.apple_pic);
            fruitList.add(apple);
            Fruit banana = new Fruit("Banana",R.drawable.banana_pic);
            fruitList.add(banana);
            Fruit cherry = new Fruit("cherry",R.drawable.cherry_pic);
            fruitList.add(cherry);
            Fruit grape = new Fruit("grape",R.drawable.grape_pic);
            fruitList.add(grape);

        }
    }
}